# Database

> Database conventions and patterns. Use when working on database schemas, migrations, or data modeling.

- Skill: `codelytv/database` (Agent Skill, multi-file: 4 files)
- Install (CLI): `npx skillmds@latest add codelytv/database`
- Raw SKILL.md: https://api.skillmd.com/api/skills/codelytv/database/raw
- Safety review: pending
- Works with: Claude Code, Claude.ai, OpenAI Codex
- Category: Coding & Dev Tools
- Author: codelytv (https://skillmd.com/u/codelytv)
- Updated: 2026-09-17
- Page: https://skillmd.com/skills/codelytv/database

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Read and follow the database conventions documented in the resources before making changes to database schemas or queries.

## Resources

- `not-null-fields.md` — NOT NULL field conventions
- `table-naming-singular-plural-convention.md` — Table naming conventions (singular vs plural)
- `text-over-varchar-char-convention.md` — Use TEXT over VARCHAR/CHAR convention